246 Burnt Ash Hill, London, SE12 0QD
Refused on 15 April 2026
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Conversion of existing building and the provision of external staircase at the rear, together with the construction of a single storey extension to the side to form new access, a roof terrace at 1st floor level to provide an additional self-contained flat (Use Class C3) and all associated works at 246 Burnt Ash HIll SE12.
- Received
- 3 February 2026
- Council
- London Borough of Lewisham
- Ward
- Grove Park
- Agent
- bMAC STUDIO Architecture
- ReceivedReceived3 Feb
- ValidatedValidated13 Feb
- Consult.Consultation10 Apr
- TargetTarget Date10 Apr
- DecidedDecided15 Apr
Decided in 61 days (council typically 56)
About this application
This is a full planning application for an extension at 246 BURNT ASH HILL, LONDON, SE12 0QD. Lewisham has handled 2,816 applications of this type. This one was decided in 71 days, 2 weeks longer than Lewisham's typical decision time. There are no previous applications recorded at this address. In the past year there have been 81 applications across Grove Park. We hold 524 applications in total for the SE12 postcode area.
85% of full applications at London Borough of Lewisham were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- SE12 0QD
- Application type
- Full Planning Permission
- Scale / size
- Small
Planning application dates
- Date validated
- 13 February 2026
- Neighbour consultation start
- 16 February 2026
- Last date for comments
- 10 April 2026
- Target decision date
- 10 April 2026
Applicant and agent
- Agent
- bMAC STUDIO Architecture
- Agent address
- Suite M5 Old Library, St Faiths Street, Maidstone, Kent, ME14 1LH
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Small Houses in Multiple Occupation Article 4+1 more
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (22)
flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Source: Lewisham
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 234 BURNT ASH HILL, LONDON, SE12 0QDDC/26/142679 · FullRefused0.0 mi
- 234 BURNT ASH HILL, LONDON, SE12 0QDDC/26/142678 · FullApproved0.0 mi
- 235 BURNT ASH HILL, LONDON, SE12 0QBDC/26/142988 · FullApproved0.1 mi
- 2 KINGSAND ROAD, LONDON, SE12 0LEDC/26/143904 · ConditionsApproved0.1 mi
- 2A HEATHER ROAD, LONDON, SE12 0UQDC/26/143214 · AmendmentApproved0.1 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Design and Management Systems LtdVerifiedElectrician2.3 mi
- S & M Solutions Ltd | Design and Build ContractorVerifiedLondonExtensionsLoft Conversions2.8 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions6.5 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering6.5 mi
Planning something similar?
See what the council approved and refused for single-storey side extensions on your street. Pick your home and get the evidence before you pay for drawings.